1-Ethynyl-4-hexylbenzene

Also known as: 1-ETH-1-YNYL-4-HEXYLBENZENE, 1-ETHYNYL-4-HEXYLBENZENE, 4-HEXYL-1-ETHYNYLBENZENE, 4-HEXYLPHENYLACETYLENE, 4-Hexyl-1-ethynylbenzene 4-Hexylphenylacetylene, 4-N-HEXYLPHENYLACETYLENE, 4-n-Hexylphenylacetylene, Benzene, 1-ethynyl-4-hexyl-, Benzene,1-ethynyl-4-hexyl-, MFCD00173883, P-ETHYNYLHEXYLBENZENE

1-Ethynyl-4-hexylbenzene (CAS 79887-11-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H18 and a molecular weight of 186.293 g/mol. Key properties include a boiling point of 263.5±19.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 105.6±15.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 79887-11-9
Jingsj CID: J-21938-5
Molecular Formula: C₁₄H₁₈
Molecular Weight: 186.293 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	263.5±19.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	105.6±15.6 °C
Exact Mass	186.140854
LogP	5.52
Vapor Pressure	0.0±0.3 mmHg at 25°C
Refractive Index	1.510

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Ethynyl-4-hexylbenzene?

The CAS number of 1-Ethynyl-4-hexylbenzene is 79887-11-9.

What are the molecular formula and molecular weight of 1-Ethynyl-4-hexylbenzene?

1-Ethynyl-4-hexylbenzene has molecular formula C14H18 and molecular weight 186.293 g/mol.

What are the upstream and downstream products of 1-Ethynyl-4-hexylbenzene?

For 1-Ethynyl-4-hexylbenzene, Upstream Products: 1-Hexyl-4-iodobenzene, 4-Hexylaniline, Hexylbenzene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-Ethynyl-4-hexylbenzene (CAS 79887-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21938-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.